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水解温度     
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  hydrolysis temperature
     The process conditions are as follows:hydrolysis temperature 95℃,hydrolysis time 4 h, m (PAN)∶ m (NaOH)∶ m (H 2O)=1∶0.6∶5;
     水解工艺条件为水解温度95℃,水解时间4h; 水解配方为m(PAN)∶m(NaOH)∶m(H2O)=1∶0.6∶5;
短句来源
     The best technology conditions determined by orthogonal test were as follows: mud cake∶water = 1∶2.0(w/w),pH 11,hydrolysis time 7.5 h,hydrolysis temperature 115 ℃.
     正交试验确定的最佳工艺条件为:滤饼与水的质量比1∶2.0,介质pH 11,水解温度115℃,水解时间7.5 h。
短句来源
     The result showed that the optimum hydrolysis technique was that n(R)/n(Si)=1.3,n(Ph)/n(Me)=1.0,m(acetone)∶m(toluene)∶m(H_2O)=1∶2∶4, hydrolysis temperature was 60 ℃, the rotating speed of agitator was the second gear, the silicone resin had good heat resistance.
     结果表明,较佳的水解工艺是:n(R)/n(Si)=1·3,n(Ph)/n(Me)=1·0,m(丙酮):m(甲苯)∶m(水)=1∶2∶4,水解温度为60℃,搅拌器转速为2档;
短句来源
     The hydrolysis temperature is 40℃;
     水解温度 :40℃ ;
短句来源
     The result showed that the powder's volumetric electric resistivity is 76.14 Ω·cm and the size of conductive powder ≤1.5 μm,when the molar ratio of TiO_2,SnCl_4 and SbCl_3 is 54.0∶7.5∶1.0,pH value of hydrolysis solution is 1.5,hydrolysis temperature is 50.0 ℃ and calcinations temperature is 700.0 ℃.
     结果表明当包覆体系的pH=1.5,n(TiO2)∶n(SnCl4)∶n(SbCl3)=54.0∶7.5∶1.0,水解温度为50.0℃、焙烧温度为700.0℃时得到的复合导电粉末电阻率最低,为76.14Ω. cm,复合导电粉末的粒径≤1.5μm。
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  hydrolytic temperature
     When the hydrolytic temperature and time are 40 ℃ and 2 h respectively,pH is 7.5,the concentration of zinc in solution is 10 g/L,the hydrolytic rate can be over 96%.
     碱式碳酸锌最佳水解温度为40℃,水解时间为2 h,pH为7.5时,溶液中锌质量浓度为10 g/L,得到96%以上的水解率。
短句来源
     Experiments in a 1000mL flask show that the optimum hydrolytic temperature and reaction time are 91~102℃ and 2 5h respectively,acidizing temperature is 70℃,the optimum molar ratio of the three reactants (2,4 dinitrochlorobenzene Ⅰ,sodium hydroxide Ⅱ,hydrochloric acid Ⅲ)is Ⅰ∶Ⅱ∶Ⅲ=1∶(2 08~2 23)∶(1 11~1 23),and the optimum stirring speed is 400~500r/min.
     在1000mL四颈瓶中进行的试验表明:水解及酸化反应的原料2,4-二硝基氯苯、氢氧化钠、盐酸的适宜摩尔比为1∶(2.08~2.23)∶(1.11~1.23),适宜的水解温度及酸化温度分别为91~102℃、70℃,适宜的搅拌速度为400~500r/min,适宜的水解反应时间为150min。
短句来源
     Under the conditions that hydrolytic temperature was 1000℃, water bath temperature was 94℃, flow rate of oxygen was 600 mL/min and hydrolytic time was 15 min, the mass fractions of F, Cl, Br, S in U3O8 and nuclear grade UO2 were determined. All of the relative standard deviations were lower than 5%.
     试验得出,在水解温度1000℃,水浴温度94℃,氧气流量 600 mL/min, 水解时间15 min的条件下,测定U3O8和核电级UO2中的F、CI、Br、S,测定结果的相对标准偏差均低于5%。
短句来源
     hydrolytic temperature is 100℃, the level of 50% sulfuric acid is 400g·mol~(-1), the hydrolytic time is 16 hours.
     水解温度100℃,水解50%硫酸量为400g·mol~(-1)对位砜,水解反应时间16小时。
短句来源
     Through the single factor experiment of different hydrolytic temperature at 38,20,6℃,different quantity of lactase 0.5,0.8,1.0,1.5g/kg,and different function of the time,defining the production craft parameter of the low-lactose milk.
     通过38,20,6℃不同水解温度,0.5,0.8,1.0,1.5g/kg不同乳糖酶添加量,不同作用时间等因素的单因素试验,确定了制作低乳糖牛奶的工艺参数。
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  hydrolyzing temperature
     The best conditions of the hydrolysis of pigskin were: pH8.0, hydrolyzing temperature 60 ℃ ,ratio of Alcalase 25μL/g, concentration of substrate 60g/L, total hydrolysis time 4h.
     确定了Alcalase水解猪皮的最佳水解条件:pH值8.0,水解温度60℃,酶与底物比25μL/g,底物浓度60g/L,水解时间4h。
短句来源
     ResultsOptimal program was to hydrolyze pearl 3 hours with 20% lactic acid,65℃ hydrolyzing temperature and 250 r/min agitating speed;
     结果最佳工艺为20%酸浓度,水解温度65℃,水解时间3 h,搅拌速度250 r/m in;
短句来源
     An alkaline protease Alcalase AF 2.4 L was used to hydrolyze corn gluten meal and study the effects of pH and enzyme concentration on protein conversion. The optimum technological conditions were obtained in this test as follow: hydrolyzing temperature 55℃,addition of 2 ml alkaline protease(90 947 U/ml),pH=9,concentration of substrate 0.1g/ml,hydrolysis time 1 h.
     研究了碱性蛋白酶Alcalase AF 2.4L水解玉米蛋白时,pH值和酶浓度对蛋白质转化率的影响,得到了实验范围内的最佳工艺条件:水解温度55℃,碱性蛋白酶加入量2ml(90 947U/ml),pH值9,底物浓度0.1g/ml,水解时间1h。
短句来源
     The optimal technology of using the protease Alcalase was obtained as following. The concentration of substrate was 10%,the protease amount was 0.5% of the substrate. pH was 8.75, hydrolyzing temperature was 60℃,hydrolyzing time was 90 min.
     利用蛋白酶Alcalase可获得较高的水解度,其较优的工艺如下:底物浓度10%,加酶量为底物的0.5%,pH为8.75,水解温度60℃,水解时间90min。
短句来源
     ,hydrolyzing temperature 90-100 ℃ and w(H2SO4)=1.0%. Yield of crude L-arabinose was 85% and the purity was 66.7%. After chromatographic separation with double column,purified L-arabinose was obtained.
     正交实验确定了酸性水解反应的影响因素和最佳条件为:水解温度90~100℃,w(H2SO4)=1 0%,L 阿拉伯糖的粗收率为85%,质量分数为66 7%。
短句来源
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  temperature of hydrolysis
     The optimum conditions of preparing nanometer bismuth oxide using this method were as follows:the concentration of BiCl_3 0.3 mol/L,the temperature of hydrolysis at room temperature,pH 0.8,the concentration of alkali 5 mol/L,the reaction temperature 90 ℃,pH 12,the amount of disperse agent 4×10~(-3) mol/L.
     实验得出该法制备纳米三氧化二铋的最佳工艺条件为:三氯化铋浓度为0.3 mol/L,水解温度为室温,pH控制在0.8,转化用碱浓度为5 mol/L,转化温度为90℃,pH为12,分散剂用量为4×10-3mol/L。
短句来源
     The optimum parameters are as follows: acid concentration is 4.8 mol/L, acid volume added is fifty times as the weight of the wheat germ, temperature of hydrolysis is 60 to 70℃, and the time of hydrolysis is 6 hours.
     研究表明,其最佳条件为:盐酸浓度为4.8mol/L,加酸量为底物的50倍,水解温度为60~70℃,水解时间为6h。
短句来源
     In this paper the extraction of isoflavones from soybean by alcohol-water system and the optimal processing conditions of acid hydrolysis were studied. By orthogonal experiment, the optimal condition that the ratio of the original feed to HCl 1∶6 , concentration of HC1 0.1 mol/L, temperature of hydrolysis 85 ℃ and time is 1 h were obtained.
     研究了乙醇-水体系提取大豆异黄酮后,再经酸水解的最优工艺条件,经正交实验,确定最佳条件为原料与HC1比为1∶6,HC1浓度0.1mol/L,水解温度85℃; 水解时间为1h。
短句来源
     The reaction time of diazotization and the temperature of hydrolysis were investigated. The results showed that under the conditions of the reaction time of diazonation for 30 min and the temperature of hydrolysis 135℃,the yield of benzofuran-2(3H)-one is about 51%.
     考察了重氮化反应时间和水解温度对反应的影响,适宜的重氮化反应时间为30 m in,适宜的水解温度135℃,在此条件下苯并呋喃-2(3H)-酮的收率为51%。
短句来源
     It has been shown that increasing the temperature of hydrolysis or using a mixed solvent composed of acetone and toluene favours the hydrolytic co-condensation of me-thyltrichlorosilane with phenyltrichlorosilane and dimethyldichlorosilane, but avoids the gel-forming phenomenon.
     本文指出提高水解温度,或使用丙酮和甲苯混合溶剂,有利于甲基三氟硅烷与苯基三氯硅烷和二甲基二氯硅烷的共水解缩聚反应,而不易产生凝胶现象。
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      hydrolysis temperature
    Decreasing the hydrolysis temperature to 40°C increased hydrolysis time from 24 to 72 h.
          
    The enzyme was thermally stable up to 60°C, with an optimal hydrolysis temperature of 70°C.
          
    The experimental parameters for the hydrolysis (temperature, time) were optimized, as well as the conditions for sorption and desorption of the amino acids on the cation exchanger.
          
    These factors included (1) the inherent acid stabilities of both the lesions and the internal standards; (2) the hydrolysis temperature; (3) the source and grade of the formic acid; and (4) the sample mass during hydrolysis.
          
    D-form/L-form ratios were affected most by hydrolysis temperature (estimated age differences were 3.03 years/°C), followed in order by hydrochloric acid volume (1.44 years/ml) and hydrochloric acid concentration (0.69 years/0.1?M).
          
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      hydrolytic temperature
    The nano fibrous boehmite (AlOOH) was formed predominantly over 40°C of the hydrolytic temperature, while the bayerite (Al(OH)3) was formed predominantly below 30°C with a faceted crystalline structure.
          
      hydrolyzing temperature
    Our results indicated that the hydrolyzing temperature and time are very important factors affecting elastolysis rate.
          
      temperature of hydrolysis
    Process parameters, such as gelation time, were correlated to variables of the initial stage of the process, such as pH, temperature of hydrolysis and water/alkoxide ratio.
          
    Process parameters, such as gelation time, were correlated to variables of the initial stage of the process, such as pH, temperature of hydrolysis and water/alkoxide ratio.
          
    Thus, depending on the temperature of hydrolysis, either the cleavage of trialkylsilyl groups proceeds exclusively or simultaneously with the saponification of the ester group.
          


    In the qualitative analysis for the amino acids of proteins and peptides,both the hydrolysis and chromatography procedure are usually time-consuming.By a suitable choice of the hydrolytic medium and by conducting chromatography at elevated temperatures,the time needed can be much reduced.Samples were hydrolyzed for a period not exceeding two hours at 160—180℃,in a mixture of 12 NHC1:85% HCOOH:H_2O=2:1:1.Only tyrosine was noted to have been destroyed in noticable amounts.Since the introduction of formic acid...

    In the qualitative analysis for the amino acids of proteins and peptides,both the hydrolysis and chromatography procedure are usually time-consuming.By a suitable choice of the hydrolytic medium and by conducting chromatography at elevated temperatures,the time needed can be much reduced.Samples were hydrolyzed for a period not exceeding two hours at 160—180℃,in a mixture of 12 NHC1:85% HCOOH:H_2O=2:1:1.Only tyrosine was noted to have been destroyed in noticable amounts.Since the introduction of formic acid may occasionally lead to mild explosions and cause the breakage of tubes during the course of hydrolysis,several measures were taken to prevent it.The amino acids were either resolved at a temperature of 40—45℃ throughout the course of chromatography,or initially at 60℃ and then at room temperature.Both procedures gave satisfactory results,although the former seemed to be more reproducible.The solvent systems used were:(1)n-BuOH:85% HCOOH:H_2O=15:3:2,(2)n-BuOH:gla.HAc:95% EtOH:H_2O=4:1:1:2,and(3)n-BuOH:pyridine:60% EtOH:H_2O=5:1:1:1.(1)and(3)formed a solvent pair for two dimensional chromatography. The spots were revealed either by ninhydrin or isatin as described respectively by Giri and.Isatin was a more satisfactory reagent than ninhydrin in the following respects.(1)With different amino acids,isatin gave different colours.Even in one-dimensional chromatography,amino acids with R_F-values close to each other could be differentiated.(2)Isatin also formed colour complexes with several derivatives of amino acids and small peptides,such asε-tosyl-lysine(red),S-benzyl-cysteine(deep blue),O-acetyl-threonine(bluish green),Im-benzyl-histidine(blue),glutamic acid γ-methyl ester(deep brownish red),glutamic acid di-methyl ester(pink),glycylphenytalanine(red),glycyl-phenylalanine methyl.ester(orange).With peptides containing more than 10 amino acids,isatin appeared to be less sensitive.Most of these larger peptides gave yellow colour.(3)Ammonia did not interfere with the formation of isatin-amino acid complexes.The methods developed in this study should be especially useful for identification purposes in peptide synthesis.

    (1)提供了一种快速水解液,蛋白貭或多肽完全水解仅需20分鉀至2小时,其配制方法是:12NHCl:85%甲酸:水=2∶1∶1。水解温度160—180度。(2)提供了氨基酸高溫层析法及正丁醇:呲啶系統可在4小时內完成单向层析,10小时內完成双向层析,其溶剂系統各成分的比例如下: 酸性溶剂系統:(1)正丁醇:85%甲酸:水=15∶3∶2。(2)正丁醇:冰醋酸:95%乙醇:水=4∶1∶1∶2。溶剂(1)适用于单向层析和双向层析的第一向,溶剂(2)适用于单向层析。硷性溶剂系統:正丁醇:呲啶:60%乙醇:水=5∶1∶1∶1。此溶剂适用于双向层析的第二向。(3)高溫层析的温度有二种:(1)在40—45度进行(2)60度进行一半移室温完成。前者較易操作,重复性也較強。(4)引用了等的吲(口乃木)醌显色法,对氨基酸的分辨极有帮助,并发現一些氨基酸的衍生物或多肽也均显不同顏色。(5)經选择后的新华定性滤紙层析效果頗佳。

    It has been shown that increasing the temperature of hydrolysis or using a mixed solvent composed of acetone and toluene favours the hydrolytic co-condensation of me-thyltrichlorosilane with phenyltrichlorosilane and dimethyldichlorosilane, but avoids the gel-forming phenomenon. As a result of which a solventless, hydroxyl condensation type silicone resins with lower R/Si, C6H5/E ratio and higher Si-OH group content can be prepared, and the resins are suitable for transfer moulding compounds. By using these...

    It has been shown that increasing the temperature of hydrolysis or using a mixed solvent composed of acetone and toluene favours the hydrolytic co-condensation of me-thyltrichlorosilane with phenyltrichlorosilane and dimethyldichlorosilane, but avoids the gel-forming phenomenon. As a result of which a solventless, hydroxyl condensation type silicone resins with lower R/Si, C6H5/E ratio and higher Si-OH group content can be prepared, and the resins are suitable for transfer moulding compounds. By using these methods the probedure is simplified, the time of operation is greatly shortened and the quality of the resins is stable.In addition, the relation between the structures of the resins and the properties of the transfer moulding plastics has been discussed. A proper choice of curing agent and a general purpose reinferced filler will result in excellent performance of the plastics.

    本文指出提高水解温度,或使用丙酮和甲苯混合溶剂,有利于甲基三氟硅烷与苯基三氯硅烷和二甲基二氯硅烷的共水解缩聚反应,而不易产生凝胶现象。并以此合成了适于递模塑料的R/Si较小、C_6H_5/R较低、羟基含量较高的羟基缩合型无溶剂树脂,简化了步骤,大大缩短了操作时间,树脂质量稳定。此外还讨论了树脂的结构与递模塑料性能的关系,选择了较好的固化剂以及通用的补强剂,使塑料具有优异的性能。

    Changes in the dissolvability of hemicellulose in the Eucalyptu citriodora with relation to prehydrolysis temperature and duration in the process of water prehydro-lysis were studied. Effects of temperature and duration of prehydrolysis on the yield, pentosan contents in prepydrolyzed wood chips as well as the reducing substance contents in the solution are represented by regression equations. Accordinng to the results and the regression analyses the optimal process conditions for water prehydrolysis of Eucalyptu...

    Changes in the dissolvability of hemicellulose in the Eucalyptu citriodora with relation to prehydrolysis temperature and duration in the process of water prehydro-lysis were studied. Effects of temperature and duration of prehydrolysis on the yield, pentosan contents in prepydrolyzed wood chips as well as the reducing substance contents in the solution are represented by regression equations. Accordinng to the results and the regression analyses the optimal process conditions for water prehydrolysis of Eucalyptu citriodora chips are as fellows: The ratio of water to chips 4 to 1, the highest temperature 160-165C and the reaction duration 12 hours. Sugar contents in the prehydrolysis solution were analysed by gas chromatography, which shows that the xylose, arabinose and glucose contents are 86, 4 and 10% respectively. In addition, the utilization of xylose solution and the production of mechanical pulp, chemical pulp for paper and dissolving pulp from prehydrolyzed chips are also discussed.

    本文研究水预水解过程中预水解温度和时间对柠檬桉木片中半纤维素溶出的变化情况,并用回归方程表示预水解温度和时间对预水解后木片的得率,戊聚糖含量和溶液中还原物质含量的影响。根据试验结果和回归分析得出的柠檬桉木片水预水解的最佳工艺条件是:在水对木片比率为4:1时,最高温度为160℃~165℃,反应时间1 1/2~2小时。用气相色谱分析了预水解液中的糖含量,结果表明:预水解液中木糖、阿拉伯糖和葡萄糖含量分别为86%、4%和10%。此外还叙述了木糖液的利用和预水解后木片生产机械浆、造纸用化学浆和溶解浆。

     
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